com.smartgwt.client.data

## Class GroupValueFunction

- java.lang.Object
- - com.smartgwt.client.data.GroupValueFunction

-     public abstract class GroupValueFunction
      extends java.lang.Object

  Provides a way to override the default behavior of `SimpleType.getGroupValue()`.

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `GroupValueFunction()`

  - ### Method Summary

    All Methods Instance Methods Abstract Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `java.lang.String` | `executeDefault(java.lang.Object value, Record record, java.util.Map field, java.lang.String fieldName, Canvas component)` Calls the default implementation of `SimpleType.getGroupValue()`.
    `SimpleType` | `getSimpleType()` Returns the SimpleType object being customized
    `abstract java.lang.String` | `getValue(java.lang.Object value, Record record, java.util.Map field, java.lang.String fieldName, Canvas component)` Defines new behavior to override `SimpleType.getGroupValue()`.
    `void` | `setSimpleType(SimpleType simpleType)`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### GroupValueFunction

          public GroupValueFunction()

  - ### Method Detail

    - #### setSimpleType

          public void setSimpleType(SimpleType simpleType)

    - #### getSimpleType

          public SimpleType getSimpleType()

      Returns the SimpleType object being customized
      Returns:
        cutomized SimpleType object

    - #### executeDefault

          public java.lang.String executeDefault(java.lang.Object value,
                                                 Record record,
                                                 java.util.Map field,
                                                 java.lang.String fieldName,
                                                 Canvas component)

      Calls the default implementation of `SimpleType.getGroupValue()`.
      Parameters:
        `value` - the record value to return a group value for
        `record` - the record containing the passed group value
        `field` - the field relating to the value to be processed
        `fieldName` - the name of the field relating to the value to be processed
        `component` - the component, usually a `ListGrid`, containing the passed record
      Returns:
        the group value for the passed parameters

    - #### getValue

          public abstract java.lang.String getValue(java.lang.Object value,
                                                    Record record,
                                                    java.util.Map field,
                                                    java.lang.String fieldName,
                                                    Canvas component)

      Defines new behavior to override `SimpleType.getGroupValue()`.
      Parameters:
        `value` - the record value to return a group value for
        `record` - the record containing the passed group value
        `field` - the field relating to the value to be processed
        `fieldName` - the name of the field relating to the value to be processed
        `component` - the component, usually a `ListGrid`, containing the passed record
      Returns:
        the group value for the passed parameters